Yes, you can cross breed chickens and most of the time, we can't stop ours from cross breeding anyway as they all run around as a flock. The results mean they will not sell for very much but some can look absaloubtley gorgeous!
Hens will start allowing the rooster to mount at about 6 months old or so. Some pullets do not accept the roosters advances until later but eventually she will. Once your hen starts to lay eggs the...